(Perpetuities?) What is the present value of the? following? a. A ?$300300 perpetuity discounted back to the present at 1414 percent b. A ?$4 comma 0004,000 perpetuity discounted back to the present at 1818 percent c. A ?$240240 perpetuity discounted back to the present at 1515 percent d. A ?$6060 perpetuity discounted back to the present at 1111 percent a. What is the present value of a ?$300300 perpetuity discounted back to the present at 1414 ?percent?